Trình Chuyển Đổi Online Miễn Phí PDF sang PFM

PDF is an electronic document format designed by Adobe Systems using some language features PostScript. The official program for viewing documents in this format, Adobe Reader. Most often, PDF-file is a combination of text with raster and vector graphics and text forms, scripts written in JavaScript and other types of items.

This is a graphic file format that supports HDR. It is used for exchanging graphics data between applications. It is also used for development in the Netpbm suite of graphics editors. A PBM image has either a per-pixel RGB structure or instructions for representing grayscale tones.